Browse Chrysler 300 Series Top Radiator Hoses In Canada. Explore Chrysler 300 Series Upper Radiator Hoses & Chrysler 300 Series Upper Radiator Hoses Replacement. Proper maintenance of your Chrysler 300 Series' upper radiator hose is crucial for optimal engine performance, ensuring coolant flows smoothly from the radiator to the engine. Signs that indicate the need for replacement include visible cracks, leaks, or a swollen hose. To extend the lifespan, regularly inspect the hose, replace the coolant as advised, and ensure clamps are tight but not overtightened. When selecting a new hose, choose one that matches OEM specifications for durability and fitment. Silicone hoses offer superior heat resistance, while reinforced options provide added strength. Installation tip: lubricate the fittings with a little coolant to ease the process. Shop with us for quality options that keep your vehicle in peak condition.